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National Stock Number:
4820-01-184-2051
Federal Supply Class:
4820
National Item Identification Number:
011842051
Description:
VALVE,PRESSURE EQUALIZING,GASEOU
Detail:
A VALVE CONSISTING OF A SINGLE DEADWEIGHT LOADED DISK, OR TWO DEADWEIGHT LOADED DISKS EACH WITH A SEPERATE SEAT. IT IS SPECIFICALLY DESIGNED FOR THE RELIEF OF SMALL PRESSURE AND VACUUM CONDITIONS WITHIN A TANK OR OTHER CONTAINER TO OR FROM THE ATMOSPHERE. THE CENTER OF A SINGLE DEADWEIGHT LOADED DISK MAY CONTAIN A SPRING LOADED DISK FORMING AN ADDITIONAL SEAT OR APERTURE. IT MAY BE SPRING LOADED AND/OR EQUIPPED WITH A MANUAL UNLOADER ON EITHER THE PRESSURE OR VACUUM SIDE. EXCLUDE VALVE, VACUUM BREAKING.
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Manufacturer Information:
| 790-RPV-5.0-4.0 | 98021 | HALKEY-ROBERTS CORP | | SM-C-969882 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR | | SM-C-969882-1 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| BODY STYLE | SINGLE CONNECTION, STRAIGHT FLOW | | END CONNECTION QUANTITY | 1 | | FIRST END CONNECTION TYPE | THREADED EXTERNAL TUBE | | FIRST END STYLE DESIGNATOR | PLAIN | | FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.875 INCHES NOMINAL | | FIRST END THREAD DIRECTION | RIGHT-HAND | | FIRST END THREAD CLASS | 3A | | FLOW CONTROL DEVICE | POPPET | | MATERIAL | ALUMINUM BODY | | OPENING PRESSURE SETTING | 5.0 POUNDS PER SQUARE INCH | | TEMP RATING | 300.0 FAHRENHEIT | | VALVE VENTING DESIGN TYPE | ATMOSPHERIC |
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